LU-5275 libcfs: merge params_tree.h into lprocfs_status.h

LU-5275 libcfs: merge params_tree.h into lprocfs_status.h

The macros in params_tree.h are only used for proc handling
in the lustre layer. Since this is the case we move all the
handling from params_tree.h to lprocfs_status.h

Change-Id: I590c1f2525bdd748450008af38510d19cd68f917
Signed-off-by: James Simmons <uja.ornl@gmail.com>
Reviewed-on: http://review.whamcloud.com/13341
Tested-by: Jenkins
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>